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<li class="navelem"><a class="el" href="../../d8/daf/namespaceshaka.html">shaka</a></li><li class="navelem"><b>media</b></li><li class="navelem"><a class="el" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html">WebMClusterParser</a></li> </ul>
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<div class="title">shaka::media::WebMClusterParser Class Reference</div> </div>
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Inheritance diagram for shaka::media::WebMClusterParser:</div>
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<area href="../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html" alt="shaka::media::WebMParserClient" shape="rect" coords="0,0,204,24"/>
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</div></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:abe19fd2154084026a514541e152600e0"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom">{ <a class="el" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abe19fd2154084026a514541e152600e0a696e4587c758dc7908ad6bbb376ae06d">kDefaultAudioBufferDurationInMs</a> = 23,
<a class="el" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abe19fd2154084026a514541e152600e0ae4ed667d0b90505a42a7983b0aa4d57f">kDefaultVideoBufferDurationInMs</a> = 63
}</td></tr>
<tr class="separator:abe19fd2154084026a514541e152600e0"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a34a1495f5080534a5c4acb1d82d0e756"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a34a1495f5080534a5c4acb1d82d0e756">WebMClusterParser</a> (int64_t timecode_scale, std::shared_ptr&lt; <a class="el" href="../../da/d4e/classshaka_1_1media_1_1AudioStreamInfo.html">AudioStreamInfo</a> &gt; audio_stream_info, std::shared_ptr&lt; <a class="el" href="../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html">VideoStreamInfo</a> &gt; video_stream_info, const <a class="el" href="../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html">VPCodecConfigurationRecord</a> &amp;vp_config, int64_t audio_default_duration, int64_t video_default_duration, const WebMTracksParser::TextTracks &amp;text_tracks, const std::set&lt; int64_t &gt; &amp;ignored_tracks, const std::string &amp;audio_encryption_key_id, const std::string &amp;video_encryption_key_id, const <a class="el" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a3a1f87fb3ed95a9cbd2b6873326a1a4c">MediaParser::NewSampleCB</a> &amp;new_sample_cb, const <a class="el" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#aef5795d2b3df2526c6e8afe1e4d072bf">MediaParser::InitCB</a> &amp;init_cb, <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a> *decryption_key_source)</td></tr>
<tr class="separator:a34a1495f5080534a5c4acb1d82d0e756"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abb306c3299a7279125b8f321ef5bbc94"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abb306c3299a7279125b8f321ef5bbc94"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abb306c3299a7279125b8f321ef5bbc94">Reset</a> ()</td></tr>
<tr class="memdesc:abb306c3299a7279125b8f321ef5bbc94"><td class="mdescLeft">&#160;</td><td class="mdescRight">Resets the parser state so it can accept a new cluster. <br/></td></tr>
<tr class="separator:abb306c3299a7279125b8f321ef5bbc94"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac3d4be1a12667ed722915be727747eee"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#ac3d4be1a12667ed722915be727747eee">Flush</a> () WARN_UNUSED_RESULT</td></tr>
<tr class="separator:ac3d4be1a12667ed722915be727747eee"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aba1bae97c2d96181027e43b0a1993e67"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#aba1bae97c2d96181027e43b0a1993e67">Parse</a> (const uint8_t *buf, int size)</td></tr>
<tr class="separator:aba1bae97c2d96181027e43b0a1993e67"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a165bf659b71245f79a4d9bad799d98d9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a165bf659b71245f79a4d9bad799d98d9"></a>
int64_t&#160;</td><td class="memItemRight" valign="bottom"><b>cluster_start_time</b> () const </td></tr>
<tr class="separator:a165bf659b71245f79a4d9bad799d98d9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a66f87fef54ed47bd36d740254d52b9c7"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a66f87fef54ed47bd36d740254d52b9c7">cluster_ended</a> () const </td></tr>
<tr class="separator:a66f87fef54ed47bd36d740254d52b9c7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classshaka_1_1media_1_1WebMParserClient"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classshaka_1_1media_1_1WebMParserClient')"><img src="../../closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html">shaka::media::WebMParserClient</a></td></tr>
<tr class="memitem:afba91459762fe67d5640b4a8bfc41293 inherit pub_methods_classshaka_1_1media_1_1WebMParserClient"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afba91459762fe67d5640b4a8bfc41293"></a>
virtual bool&#160;</td><td class="memItemRight" valign="bottom"><b>OnFloat</b> (int id, double val)</td></tr>
<tr class="separator:afba91459762fe67d5640b4a8bfc41293 inherit pub_methods_classshaka_1_1media_1_1WebMParserClient"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a59e9fddc974f0898a3127007780470e7 inherit pub_methods_classshaka_1_1media_1_1WebMParserClient"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a59e9fddc974f0898a3127007780470e7"></a>
virtual bool&#160;</td><td class="memItemRight" valign="bottom"><b>OnString</b> (int id, const std::string &amp;str)</td></tr>
<tr class="separator:a59e9fddc974f0898a3127007780470e7 inherit pub_methods_classshaka_1_1media_1_1WebMParserClient"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_methods_classshaka_1_1media_1_1WebMParserClient"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classshaka_1_1media_1_1WebMParserClient')"><img src="../../closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a class="el" href="../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html">shaka::media::WebMParserClient</a></td></tr>
<tr class="memitem:ae8d4510591d9c8eb11a3f41180e11efc inherit pro_methods_classshaka_1_1media_1_1WebMParserClient"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae8d4510591d9c8eb11a3f41180e11efc"></a>
&#160;</td><td class="memItemRight" valign="bottom"><b>DISALLOW_COPY_AND_ASSIGN</b> (<a class="el" href="../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html">WebMParserClient</a>)</td></tr>
<tr class="separator:ae8d4510591d9c8eb11a3f41180e11efc inherit pro_methods_classshaka_1_1media_1_1WebMParserClient"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="../../dc/d3c/webm__cluster__parser_8h_source.html#l00024">24</a> of file <a class="el" href="../../dc/d3c/webm__cluster__parser_8h_source.html">webm_cluster_parser.h</a>.</p>
</div><h2 class="groupheader">Member Enumeration Documentation</h2>
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<td class="memname">anonymous enum</td>
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<p>Numbers chosen to estimate the duration of a buffer if none is set and there is not enough information to get a better estimate. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="abe19fd2154084026a514541e152600e0a696e4587c758dc7908ad6bbb376ae06d"></a>kDefaultAudioBufferDurationInMs</em>&#160;</td><td class="fielddoc">
<p>Common 1k samples @44.1kHz. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="abe19fd2154084026a514541e152600e0ae4ed667d0b90505a42a7983b0aa4d57f"></a>kDefaultVideoBufferDurationInMs</em>&#160;</td><td class="fielddoc">
<p>Chosen to represent 16fps duration, which will prevent MSE stalls in videos with frame-rates as low as 8fps. </p>
</td></tr>
</table>
<p>Definition at line <a class="el" href="../../dc/d3c/webm__cluster__parser_8h_source.html#l00028">28</a> of file <a class="el" href="../../dc/d3c/webm__cluster__parser_8h_source.html">webm_cluster_parser.h</a>.</p>
</div>
</div>
<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<td class="memname">shaka::media::WebMClusterParser::WebMClusterParser </td>
<td>(</td>
<td class="paramtype">int64_t&#160;</td>
<td class="paramname"><em>timecode_scale</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::shared_ptr&lt; <a class="el" href="../../da/d4e/classshaka_1_1media_1_1AudioStreamInfo.html">AudioStreamInfo</a> &gt;&#160;</td>
<td class="paramname"><em>audio_stream_info</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::shared_ptr&lt; <a class="el" href="../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html">VideoStreamInfo</a> &gt;&#160;</td>
<td class="paramname"><em>video_stream_info</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html">VPCodecConfigurationRecord</a> &amp;&#160;</td>
<td class="paramname"><em>vp_config</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int64_t&#160;</td>
<td class="paramname"><em>audio_default_duration</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int64_t&#160;</td>
<td class="paramname"><em>video_default_duration</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const WebMTracksParser::TextTracks &amp;&#160;</td>
<td class="paramname"><em>text_tracks</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::set&lt; int64_t &gt; &amp;&#160;</td>
<td class="paramname"><em>ignored_tracks</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::string &amp;&#160;</td>
<td class="paramname"><em>audio_encryption_key_id</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::string &amp;&#160;</td>
<td class="paramname"><em>video_encryption_key_id</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a3a1f87fb3ed95a9cbd2b6873326a1a4c">MediaParser::NewSampleCB</a> &amp;&#160;</td>
<td class="paramname"><em>new_sample_cb</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#aef5795d2b3df2526c6e8afe1e4d072bf">MediaParser::InitCB</a> &amp;&#160;</td>
<td class="paramname"><em>init_cb</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a> *&#160;</td>
<td class="paramname"><em>decryption_key_source</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Create a <a class="el" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html">WebMClusterParser</a> from given parameters. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">timecode_scale</td><td>indicates timecode scale for the clusters. </td></tr>
<tr><td class="paramname">audio_stream_info</td><td>references audio stream information. It will be NULL if there are no audio tracks available. </td></tr>
<tr><td class="paramname">video_stream_info</td><td>references video stream information. It will be NULL if there are no video tracks available. </td></tr>
<tr><td class="paramname">vp_config</td><td>references vp configuration record. Only useful for video. </td></tr>
<tr><td class="paramname">audio_default_duration</td><td>indicates default duration for audio samples. </td></tr>
<tr><td class="paramname">video_default_duration</td><td>indicates default duration for video samples. </td></tr>
<tr><td class="paramname">text_tracks</td><td>contains text track information. </td></tr>
<tr><td class="paramname">ignored_tracks</td><td>contains a list of ignored track ids. </td></tr>
<tr><td class="paramname">audio_encryption_key_id</td><td>indicates the encryption key id for audio samples if there is an audio stream and the audio stream is encrypted. It is empty otherwise. </td></tr>
<tr><td class="paramname">video_encryption_key_id</td><td>indicates the encryption key id for video samples if there is a video stream and the video stream is encrypted. It is empty otherwise. </td></tr>
<tr><td class="paramname">new_sample_cb</td><td>is the callback to emit new samples. </td></tr>
<tr><td class="paramname">init_cb</td><td>is the callback to initialize streams. </td></tr>
<tr><td class="paramname">decryption_key_source</td><td>points to a decryption key source to fetch decryption keys. Should not be NULL if the tracks are encrypted. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="../../d5/d8f/webm__cluster__parser_8cc_source.html#l00029">29</a> of file <a class="el" href="../../d5/d8f/webm__cluster__parser_8cc_source.html">webm_cluster_parser.cc</a>.</p>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">bool shaka::media::WebMClusterParser::cluster_ended </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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</table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>true if the last <a class="el" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#aba1bae97c2d96181027e43b0a1993e67">Parse()</a> call stopped at the end of a cluster. </dd></dl>
<p>Definition at line <a class="el" href="../../dc/d3c/webm__cluster__parser_8h_source.html#l00154">154</a> of file <a class="el" href="../../dc/d3c/webm__cluster__parser_8h_source.html">webm_cluster_parser.h</a>.</p>
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<td class="memname">bool shaka::media::WebMClusterParser::Flush </td>
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<p>Flush data currently in the parser and reset the parser so it can accept a new cluster. </p>
<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
<p>Definition at line <a class="el" href="../../d5/d8f/webm__cluster__parser_8cc_source.html#l00091">91</a> of file <a class="el" href="../../d5/d8f/webm__cluster__parser_8cc_source.html">webm_cluster_parser.cc</a>.</p>
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<td class="memname">int shaka::media::WebMClusterParser::Parse </td>
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<td class="paramtype">const uint8_t *&#160;</td>
<td class="paramname"><em>buf</em>, </td>
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<td class="paramtype">int&#160;</td>
<td class="paramname"><em>size</em>&#160;</td>
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<p>Parses a WebM cluster element in |buf|. </p>
<dl class="section return"><dt>Returns</dt><dd>-1 if the parse fails. </dd>
<dd>
0 if more data is needed. </dd>
<dd>
The number of bytes parsed on success. </dd></dl>
<p>Definition at line <a class="el" href="../../d5/d8f/webm__cluster__parser_8cc_source.html#l00099">99</a> of file <a class="el" href="../../d5/d8f/webm__cluster__parser_8cc_source.html">webm_cluster_parser.cc</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>media/formats/webm/<a class="el" href="../../dc/d3c/webm__cluster__parser_8h_source.html">webm_cluster_parser.h</a></li>
<li>media/formats/webm/<a class="el" href="../../d5/d8f/webm__cluster__parser_8cc_source.html">webm_cluster_parser.cc</a></li>
</ul>
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